CBSE Class 11 Chemistry Periodic Classification of Elements MCQs
MCQ - Choose Appropriate Alternative Question. Which of the following pairs are chemically dissimilar? (a) Na and K (b) Ba and Sr (c) Zr and Hf (d) Ca and Zn. Question. The total number of inner transition elements is (a) 10 (b) 14 (c) 28 (d) 30…
CBSE Class 11 Chemistry Mole Concept MCQs
I. MCQ - Choose Appropriate Alternative 1. The formula, which gives the simple ratio of each kind of atoms present in the molecule of compound, is called __________. (Molecular Formula, Empirical Formula, Structural Formula) 2. The formula, which expresses the…